Jan. 16 (Bloomberg) -- Investors exercised 4.46 billion reais ($2.5 billion) in stock options today in Sao Paulo, BM&FBovespa said in an e-mailed statement. The exercise of call options totaled 3.45 billion reais, and the exercise of put options totaled 1.01 billion reais, according to the exchange.
--Editor: Marie-France Han
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